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52025321 = 177143103
BaseRepresentation
bin1100011001110…
…1011111101001
310121220011022202
43012131133221
5101304302241
65055025545
71201131215
oct306353751
9117804282
1052025321
1127404437
121550b2b5
13aa1721a
146ca3945
154879d9b
hex319d7e9

52025321 has 8 divisors (see below), whose sum is σ = 55862784. Its totient is φ = 48274240.

The previous prime is 52025297. The next prime is 52025341. The reversal of 52025321 is 12352025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52025321 - 26 = 52025257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52025293 and 52025302.

It is not an unprimeable number, because it can be changed into a prime (52025341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20345 + ... + 22758.

It is an arithmetic number, because the mean of its divisors is an integer number (6982848).

Almost surely, 252025321 is an apocalyptic number.

It is an amenable number.

52025321 is a deficient number, since it is larger than the sum of its proper divisors (3837463).

52025321 is a wasteful number, since it uses less digits than its factorization.

52025321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43191.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 52025321 is about 7212.8580327080. The cubic root of 52025321 is about 373.3116897706.

Adding to 52025321 its reverse (12352025), we get a palindrome (64377346).

The spelling of 52025321 in words is "fifty-two million, twenty-five thousand, three hundred twenty-one".

Divisors: 1 17 71 1207 43103 732751 3060313 52025321